big dipper

美 
英 
  • n.过山车;北斗七星;大熊星座
  • 网络北斗星;云霄飞车;大北斗七星
big dipper
n.
1.
(游乐场的)云霄飞车,过山车a small train at an amusement park , which goes very quickly up and down a steep track and around bends
2.
[sing]
北斗七星;大熊星座a group of seven bright stars that can only be seen from the northern half of the world

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